Battery powered PA represents the ultimate in compact, complete and portable powered PA System. With its ability to use both AC power or batteries, it can be used for both indoor and outdoor PA requirements. Its size and weight make it easy to carry and use. There are many places where amplification is required and it's just not practical to load or unload lot of equipment. With Solo, have a ready-made PA system that can carry like an attached case and still get great sound no matter where you are.